 /*******************************************************************************
  * Copyright (c) 2003, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.osgi.framework.internal.core;

 import java.net.URL ;
 import java.util.Enumeration ;

 public class MultiSourcePackage extends PackageSource {
     SingleSourcePackage[] suppliers;

     MultiSourcePackage(String id, SingleSourcePackage[] suppliers) {
         super(id);
         this.suppliers = suppliers;
     }

     public SingleSourcePackage[] getSuppliers() {
         return suppliers;
     }

     public Class loadClass(String name) throws ClassNotFoundException {
         Class result = null;
         for (int i = 0; i < suppliers.length; i++) {
             result = suppliers[i].loadClass(name);
             if (result != null)
                 return result;
         }
         return result;
     }

     public URL getResource(String name) {
         URL result = null;
         for (int i = 0; i < suppliers.length; i++) {
             result = suppliers[i].getResource(name);
             if (result != null)
                 return result;
         }
         return result;
     }

     public Enumeration getResources(String name) {
         Enumeration results = null;
         for (int i = 0; i < suppliers.length; i++)
             results = BundleLoader.compoundEnumerations(results, suppliers[i].getResources(name));
         return results;
     }
 }

